The Chow ring of hyperkähler varieties of $K{3}^{[2]}$-type via Lefschetz actions

Andreas Kretschmer

We propose an explicit conjectural lift of the Neron-Severi Lie algebra of a hyperkähler variety $X$ of $K{3}^{[2]}$-type to the Chow ring of correspondences ${\rm CH}^\ast(X \times…